import random

from PIL import Image, ImageDraw, ImageFont, ImageFilter


def check_code(width=120, height=30, char_length=5, font_file='kumo.ttf', font_size=28):
    code = []
    img = Image.new(mode='RGB', size=(width, height), color=(255, 255, 255))
    draw = ImageDraw.Draw(img, mode='RGB')

    def rndChar():
        """
        生成随机字母   
        :return:
        """
        return chr(random.randint(65, 90))

    def rndColor():
        """
        生成随机颜色
        :return:
        """
        return (random.randint(0, 255), random.randint(10, 255), random.randint(64, 255))

    # 写文字
    file = r'I:\Work\Pycharm\Projects\virtualenv\day01\app01\static\app01\plugin\code-ttf\domi.ttf'
    font = ImageFont.truetype(file, font_size)
    for i in range(char_length):
        char = rndChar()
        code.append(char)
        h = random.randint(0, 4)
        draw.text((i * width / char_length, h), char, font=font, fill=rndColor())

    # 写干扰点
    for i in range(40):
        draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())

    # 写干扰圆圈
    # for i in range(40):
    #     draw.point([random.randint(0, width), random.randint(0, height)], fill=rndColor())
    #     x = random.randint(0, width)
    #     y = random.randint(0, height)
    #     draw.arc((x, y, x + 4, y + 4), 0, 90, fill=rndColor())

    # 画干扰线
    # for i in range(5):
    #     x1 = random.randint(0, width)
    #     y1 = random.randint(0, height)
    #     x2 = random.randint(0, width)
    #     y2 = random.randint(0, height)
    #
    #     draw.line((x1, y1, x2, y2), fill=rndColor())

    img = img.filter(ImageFilter.EDGE_ENHANCE_MORE)
    print(code)
    return img, ''.join(code)


img, code = check_code()
with open('code.png', 'wb') as f:
    img.save(f, format='png')
